colour.xy_to_UCS_uv¶
- colour.xy_to_UCS_uv(xy)[source]¶
Returns the CIE 1960 UCS colourspace uv chromaticity coordinates from given CIE xy chromaticity coordinates.
- Parameters
xy (array_like) – CIE xy chromaticity coordinates.
- Returns
CIE UCS uv chromaticity coordinates.
- Return type
ndarray
References
[]
Examples
>>> import numpy as np >>> xy = np.array([0.54369555, 0.32107941]) >>> xy_to_UCS_uv(xy) array([ 0.3772021..., 0.3341350...])